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PS C:\Users\tostep> (Get-CimInstance Win32_OperatingSystem).InstallDate

21 октября 2020 г. 1:37:42


PS C:\Users\tostep> Get-Hotfix -id KB4562830, KB4517245 | ft HotFixID, Description, InstalledOn

HotFixID  Description InstalledOn
--------  ----------- -----------
KB4562830 Update      27.09.2020 0:00:00


PS C:\Users\tostep> Get-ChildItem -Path HKLM:\System\Setup\Source* | ForEach-Object {Get-ItemProperty -Path Registry::$_} | Select-Object ProductName, ReleaseID, CurrentBuild, @{n="Install Date"; e={([DateTime]'1/1/1970').AddSeconds($_.InstallDate)}} | Sort-Object "CurrentBuild"

ProductName    ReleaseID CurrentBuild Install Date
-----------    --------- ------------ ------------
Windows 10 Pro           10240        16.10.2015 8:16:04
Windows 10 Pro 1511      10586        18.11.2015 16:54:16
Windows 10 Pro 1607      14393        04.08.2016 16:24:08
Windows 10 Pro 1703      15063        07.04.2017 16:41:25
Windows 10 Pro 1709      16299        11.10.2017 16:04:05
Windows 10 Pro 1803      17133        03.04.2018 16:41:39
Windows 10 Pro 1803      17134        30.04.2018 15:30:54
Windows 10 Pro 1809      17763        03.10.2018 15:30:56
Windows 10 Pro 1909      18363        27.04.2019 18:47:40
Windows 10 Pro 2004      19041        26.06.2020 6:01:55


PS C:\Users\tostep>